388610080

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12329}}^1$

素因数の和:12541

約数の個数: 48

約数和(自身を含む): 922826520

約数和(自身を除く): 534216440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12329, 15760, 24658, 31520, 49316, 61645, 98632, 123290, 197264, 246580, 394528, 493160, 986320, 1972640, 2428813, 4857626, 9715252, 12144065, 19430504, 24288130, 38861008, 48576260, 77722016, 97152520, 194305040, 388610080]

約数ペア:

[(1, 388610080), (2, 194305040), (4, 97152520), (5, 77722016), (8, 48576260), (10, 38861008), (16, 24288130), (20, 19430504), (32, 12144065), (40, 9715252), (80, 4857626), (160, 2428813), (197, 1972640), (394, 986320), (788, 493160), (985, 394528), (1576, 246580), (1970, 197264), (3152, 123290), (3940, 98632), (6304, 61645), (7880, 49316), (12329, 31520), (15760, 24658)]